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https://www.readbyqxmd.com/read/28545168/reliability-of-the-triple-timed-up-and-go-3tug-test
#1
Donald B Sanders, Jeffrey T Guptill, Kathy L Aleš, Lisa D Hobson-Webb, David P Jacobus, Riaz Mahmood, Janice M Massey, Melissa M Pittman, Kristi Prather, Shruti M Raja, Eric Yow, Vern C Juel
INTRODUCTION: We report the reliability of a new measure, the Triple Timed-Up-and-Go (3TUG) test, for assessing clinical function in patients with Lambert-Eaton myasthenia (LEM). METHODS: Intra-rater reproducibility and inter-rater agreement of the 3TUG were assessed in 25 control subjects, 24 patients with non-LEM neuromuscular disease and 12 LEM patients. The coverage probability (CP) method was the primary measure of reproducibility and agreement. The a priori acceptable range was <20% difference in 3TUG times and a CP ≥0...
May 25, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28544094/development-and-validation-of-the-patient-physician-relationship-scale-among-patients-with-irritable-bowel-syndrome
#2
J E Kurlander, W D Chey, C B Morris, Y J B Hu, R K Padival, S I Bangdiwala, N J Norton, W F Norton, D A Drossman
BACKGROUND: An effective patient-physician relationship (PPR) is essential to the care of patients with irritable bowel syndrome (IBS). We sought to develop and validate an IBS-specific instrument to measure expectations of the PPR. METHODS: We conducted structured focus groups about PPRs with 12 patients with IBS. Qualitative analysis was used to generate a questionnaire (the Patient-Physician Relationship Scale [PPRS]), which was modified with input from content experts and usability testing...
May 22, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28543944/anterior-cingulate-cortex-supports-effort-allocation-toward-a-qualitatively-preferred-option
#3
Evan E Hart, Julian O Gerson, Yael Zoken, Marisella Garcia, Alicia Izquierdo
The anterior cingulate cortex (ACC) is known to be involved in effortful choice, yet its role in cost-benefit evaluation of qualitatively different rewards (more/less preferred), beyond magnitude differences (larger/smaller), is poorly understood. Selecting between qualitatively different options is a decision type commonly faced by humans. Here we assessed the role of ACC on a task that has primarily been used to probe striatal function in motivation. Rats were trained to stable performance on a progressive ratio schedule for sucrose pellets and were then given sham surgeries (control) or excitotoxic NMDA-lesions of ACC...
May 20, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28543684/multiparity-modifies-contractile-properties-of-pelvic-muscles-affecting-the-genesis-of-vaginal-pressure-in-rabbits
#4
Rhode López-Juárez, René Zempoalteca, Dora Luz Corona-Quintanilla, Ismael Jiménez-Estrada, Francisco Castelán, Margarita Martínez-Gómez
AIMS: To characterize the contractile properties of the bulbospongiosus (Bsm), isquiocavernosus (Ism), and pubococcygeus muscles (Pcm), and their involvement in the genesis of vaginal pressure in nulliparous and multiparous rabbits. METHODS: Age-matched nulliparous and multiparous rabbits were used to record the isometric contractile responses of each muscle as well as the intravaginal pressure evoked by single square electrical pulses and stimulation trains of ascending frequency...
May 24, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28542281/gait-asymmetry-ankle-spasticity-and-depression-as-independent-predictors-of-falls-in-ambulatory-stroke-patients
#5
Ta-Sen Wei, Peng-Ta Liu, Liang-Wey Chang, Sen-Yung Liu
BACKGROUND: Falls are the leading cause of injury in stroke patients. However, the cause of a fall is complicated, and several types of risk factors are involved. Therefore, a comprehensive model to predict falls with high sensitivity and specificity is needed. METHODS: This study was a prospective study of 112 inpatients in a rehabilitation ward with follow-up interviews in patients' homes. Evaluations were performed 1 month after stroke and included the following factors: (1) status of cognition, depression, fear of fall and limb spasticity; (2) functional assessments [walking velocity and the Functional Independence Measure (FIM)]; and (3) objective, computerized gait and balance analyses...
2017: PloS One
https://www.readbyqxmd.com/read/28541915/embedded-system-for-prosthetic-control-using-implanted-neuromuscular-interfaces-accessed-via-an-osseointegrated-implant
#6
Enzo Mastinu, Pascal Doguet, Yohan Botquin, Bo Hakansson, Max Ortiz-Catalan
Despite the technological progress in robotics achieved in the last decades, prosthetic limbs still lack functionality, reliability, and comfort. Recently, an implanted neuromusculoskeletal interface built upon osseointegration was developed and tested in humans, namely the Osseointegrated Human-Machine Gateway. Here, we present an embedded system to exploit the advantages of this technology. Our artificial limb controller allows for bioelectric signals acquisition, processing, decoding of motor intent, prosthetic control, and sensory feedback...
May 23, 2017: IEEE Transactions on Biomedical Circuits and Systems
https://www.readbyqxmd.com/read/28541894/the-extreme-value-machine
#7
Ethan M Rudd, Lalit P Jain, Walter J Scheirer, Terrance E Boult
It is often desirable to be able to recognize when inputs to a recognition function learned in a supervised manner correspond to classes unseen at training time. With this ability, new class labels could be assigned to these inputs by a human operator, allowing them to be incorporated into the recognition function - ideally under an efficient incremental update mechanism. While good algorithms that assume inputs from a fixed set of classes exist, e.g., artificial neural networks and kernel machines, it is not immediately obvious how to extend them to perform incremental learning in the presence of unknown query classes...
May 23, 2017: IEEE Transactions on Pattern Analysis and Machine Intelligence
https://www.readbyqxmd.com/read/28541224/protein-protein-interaction-interface-residue-pair-prediction-based-on-deep-learning-architecture
#8
Zhenni Zhao, Xinqi Gong
MOTIVATION: Proteins usually fulfill their biological functions by interacting with other proteins. Although some methods have been developed to predict the binding sites of a monomer protein, these are not sufficient for prediction of the interaction between two monomer proteins. The correct prediction of interface residue pairs from two monomer proteins is still an open question and has great significance for practical experimental applications in the life sciences. We hope to build a method for the prediction of interface residue pairs that is suitable for those applications...
May 19, 2017: IEEE/ACM Transactions on Computational Biology and Bioinformatics
https://www.readbyqxmd.com/read/28541212/improvement-in-offaxis-neuromuscular-control-under-slippery-conditions-following-6-week-pivoting-neuromuscular-training
#9
Song Joo Lee, Yupeng Ren, Joel Press, Jungwha Lee, Li-Qun Zhang
Knee injuries are usually associated with offaxis loadings in the transverse and frontal planes. Thus, improvement of lower limb offaxis neuromuscular control is important in knee injury prevention and post-injury rehabilitation. The goal of this study was to investigate the effects of 6-week pivoting offaxis intensity adjustable neuromuscular control training (POINT) using a custom-made offaxis elliptical trainer on lower limb offaxis neuromuscular control performance in trained and untrained functional tasks under slippery conditions...
May 18, 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28541186/distributed-patterns-of-brain-activity-underlying-real-time-fmri-neurofeedback-training
#10
Rotem Kopel, Kirsten Emmert, Frank Scharnowski, Sven Haller, Dimitri Van De Ville
Neurofeedback (NF) based on real-time functional magnetic resonance imaging (rt-fMRI) is an exciting neuroimaging application. In most rt-fMRI NF studies, the activity level of a single region of interest (ROI) is provided as a feedback signal and the participants are trained to up or down regulate the feedback signal. NF training effects are typically analyzed using a confirmatory univariate approach, i.e., changes in the target ROI are explained by a univariate linear modulation. However, learning to self-regulate the ROI activity through NF is mediated by distributed changes across the brain...
June 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28541080/state-special-education-criteria-for-identifying-intellectual-disability-a-review-following-revised-diagnostic-criteria-and-rosa-s-law
#11
Patrick J McNicholas, Randy G Floyd, Isaac L Woods, Leah J Singh, Meredith S Manguno, Kathrin E Maki
Across the last century, the condition known as intellectual disability (ID) has been labeled by assorted terms, its key features have varied, and recommendations for its identification have been divided. In light of recent changes to the diagnostic criteria for ID and to federal legislation, this study was designed to compile and summarize information about the state special education criteria for this condition and its associated assessment process, as they guide school-based and associated practices. Authors independently double-coded components of all ID regulations and guidelines from the 50 United States and the District of Columbia in pairs, which was then checked and corrected for inconsistencies...
May 25, 2017: School Psychology Quarterly
https://www.readbyqxmd.com/read/28540659/neuroprotective-benefits-of-aerobic-exercise-and-organoselenium-dietary-supplementation-in-hippocampus-of-old-rats
#12
José L Cechella, Marlon R Leite, Simone Pinton, Gilson Zeni, Cristina W Nogueira
The progressive decline of neurological functions, such as learning and memory, is an unavoidable consequence of aging. Our previous work suggested that the combination of physical exercise and a diet supplemented with diphenyl diselenide improves age-related memory decline in rats. The present study investigated the effects of physical exercise and a diet supplemented with diphenyl diselenide on the levels of proteins involved in the hippocampal neuroprotection to figure out the mechanisms related to the beneficial effects of this intervention in aged rats...
May 25, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28540536/effects-of-robot-assisted-upper-limb-rehabilitation-in-stroke-patients-a-systematic-review-with-meta-analysis
#13
Rachele Bertani, Corrado Melegari, Maria C De Cola, Alessia Bramanti, Placido Bramanti, Rocco Salvatore Calabrò
Technology-supported training is emerging as a solution to support therapists in their efforts providing high-intensity, repetitive, and task-specific treatment, in order to enhance the recovery process. The aim of this review is to assess the effectiveness of different robotic devices (end-effector and exoskeleton robots) in comparison with any other type of intervention. Furthermore, we aim to assess whether or not better improvements are obtained in the sub-acute phase after stroke onset than in the chronic phase...
May 24, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28540452/can-youth-with-autism-spectrum-disorder-use-virtual-reality-driving-simulation-training-to-evaluate-and-improve-driving-performance-an-exploratory-study
#14
Daniel J Cox, Timothy Brown, Veerle Ross, Matthew Moncrief, Rose Schmitt, Gary Gaffney, Ron Reeve
Investigate how novice drivers with autism spectrum disorder (ASD) differ from experienced drivers and whether virtual reality driving simulation training (VRDST) improves ASD driving performance. 51 novice ASD drivers (mean age 17.96 years, 78% male) were randomized to routine training (RT) or one of three types of VRDST (8-12 sessions). All participants followed DMV behind-the-wheel training guidelines for earning a driver's license. Participants were assessed pre- and post-training for driving-specific executive function (EF) abilities and tactical driving skills...
May 24, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28540125/project-heaven-preoperative-training-in-virtual-reality
#15
Kiratipath Iamsakul, Alexander V Pavlovcik, Jesus I Calderon, Lance M Sanderson
A cephalosomatic anastomosis (CSA; also called HEAVEN: head anastomosis venture) has been proposed as an option for patients with neurological impairments, such as spinal cord injury (SCI), and terminal medical illnesses, for which medicine is currently powerless. Protocols to prepare a patient for life after CSA do not currently exist. However, methods used in conventional neurorehabilitation can be used as a reference for developing preparatory training. Studies on virtual reality (VR) technologies have documented VR's ability to enhance rehabilitation and improve the quality of recovery in patients with neurological disabilities...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28539892/the-cross-education-phenomenon-brain-and-beyond
#16
Ashlee M Hendy, Séverine Lamon
Objectives: Unilateral resistance training produces strength gains in the untrained homologous muscle group, an effect termed "cross-education." The observed strength transfer has traditionally been considered a phenomenon of the nervous system, with few studies examining the contribution of factors beyond the brain and spinal cord. In this hypothesis and theory article, we aim to discuss further evidence for structural and functional adaptations occurring within the nervous, muscle, and endocrine systems in response to unilateral resistance training...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28539423/mnemonic-encoding-and-cortical-organization-in-parietal-and-prefrontal-cortices
#17
Nicolas Y Masse, Jonathan M Hodnefield, David J Freedman
Persistent activity within the frontoparietal network is consistently observed during tasks which require working memory. However, the neural circuit mechanisms underlying persistent neuronal encoding within this network remain unresolved. Here, we ask how neural circuits support persistent activity by examining population recordings from posterior parietal (PPC) and prefrontal (PFC) cortices in two male monkeys that performed spatial and motion direction based tasks that required working memory. While spatially selective persistent activity was observed in both areas, robust selective persistent activity for motion direction was only observed in PFC...
May 24, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28539421/sound-making-actions-lead-to-immediate-plastic-changes-of-neuromagnetic-evoked-responses-and-induced-beta-band-oscillations-during-perception
#18
Bernhard Ross, Masihullah Barat, Takako Fujioka
Auditory and sensorimotor brain areas interact during the action-perception cycle of sound making. Neurophysiological evidence of a feedforward model of the action and its outcome has been associated with attenuation of the N1 wave of auditory evoked responses elicited by self-generated sounds, such as vocalization or playing a musical instrument. Moreover, neural oscillations at beta-band frequencies have been related to predicting the sound outcome after action initiation. We hypothesized that a newly learned action-perception association would immediately modify interpretation of the sound during subsequent listening...
May 24, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28539141/individual-traits-personal-values-and-conflict-resolution-in-an-isolated-confined-extreme-environment
#19
Jesper G Corneliussen, Gloria R Leon, Anders Kjærgaard, Birgit A Fink, Noah C Venables
BACKGROUND: The study of personality traits, personal values, and the emergence of conflicts within groups performing in an isolated, confined, and extreme environment (ICE) may provide insights helpful for the composition and support of space crews for long duration missions. METHODS: Studied pre/post and over the 2-yr period of the investigation were 10 Danish military personnel deployed to stations in Greenland on a 26-mo staggered rotation. Subjects completed the NEO PI-R, Triarchic Psychopathy Measure, and Portrait Values Questionnaire, and participated in structured interviews...
June 1, 2017: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28538761/effects-of-continuous-and-accumulated-exercise-on-endothelial-function-in-rat-aorta
#20
Juliana Edwiges Martinez, Elane de Fátima Taipeiro, Agnaldo Bruno Chies
Background: The practice of exercise in short bouts repeated throughout the day may be an alternative strategy to lift people out of physical inactivity. Objective: to evaluate if accumulated exercise, as occurs in continuous exercise training, improve endothelial function in rat aorta. Methods: Wistar male rats were divided into three groups: continuous exercise (CEx, 1 hour on the treadmill) or accumulated exercise (AEx, 4 bouts of 15 minutes / day) for 5 days/week for 8 weeks, or sedentary (SED)...
April 2017: Arquivos Brasileiros de Cardiologia
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